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Merge pull request #62 from driessamyn/coroutines-docs
Doc updates and small refactoring
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91 changes: 17 additions & 74 deletions
91
core/src/main/kotlin/net/samyn/kapper/internal/AutoConverter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,88 +1,31 @@ | ||
| package net.samyn.kapper.internal | ||
|
|
||
| import net.samyn.kapper.KapperParseException | ||
| import net.samyn.kapper.KapperUnsupportedOperationException | ||
| import java.nio.ByteBuffer | ||
| import java.time.Instant | ||
| import java.time.LocalDate | ||
| import java.time.LocalDateTime | ||
| import java.time.LocalTime | ||
| import java.util.Calendar | ||
| import java.util.Date | ||
| import java.util.UUID | ||
| import kotlin.reflect.KClass | ||
|
|
||
| internal object AutoConverter { | ||
| internal class AutoConverter( | ||
| // register converters | ||
| // we can/should extend this to allow users to register custom converters. | ||
| private val converters: Map<KClass<*>, (Any) -> Any> = | ||
| mapOf( | ||
| UUID::class to ::convertUUID, | ||
| LocalDate::class to ::convertLocalDate, | ||
| LocalDateTime::class to ::convertLocalDateTime, | ||
| LocalTime::class to ::convertLocalTime, | ||
| Instant::class to ::convertInstant, | ||
| ), | ||
| ) { | ||
| fun convert( | ||
| value: Any, | ||
| target: KClass<*>, | ||
| ): Any { | ||
| val converted = | ||
| when (target) { | ||
| UUID::class -> { | ||
| if (value is String) { | ||
| try { | ||
| UUID.fromString(value) | ||
| } catch (e: Exception) { | ||
| throw KapperParseException( | ||
| "Cannot parse $value to UUID", | ||
| e, | ||
| ) | ||
| } | ||
| } else if (value is ByteArray) { | ||
| value.asUUID() | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to ${target.qualifiedName}", | ||
| ) | ||
| } | ||
| } | ||
| LocalDate::class -> | ||
| if (value is Date) { | ||
| val cal = Calendar.getInstance() | ||
| cal.time = value | ||
| LocalDate.of(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH)) | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to ${target.qualifiedName}", | ||
| ) | ||
| } | ||
| LocalDateTime::class -> | ||
| if (value is Instant) { | ||
| LocalDateTime.ofInstant(value, java.time.ZoneOffset.UTC) | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to ${target.qualifiedName}", | ||
| ) | ||
| } | ||
| LocalTime::class -> | ||
| if (value is Instant) { | ||
| LocalTime.ofInstant(value, java.time.ZoneOffset.UTC) | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to ${target.qualifiedName}", | ||
| ) | ||
| } | ||
| Instant::class -> | ||
| if (value is LocalTime) { | ||
| value.atDate(LocalDate.now()).toInstant(java.time.ZoneOffset.UTC) | ||
| } else if (value is LocalDateTime) { | ||
| value.atZone(java.time.ZoneOffset.UTC).toInstant() | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to ${target.qualifiedName}", | ||
| ) | ||
| } | ||
| else -> | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to ${target.qualifiedName}", | ||
| ) | ||
| } | ||
| return converted | ||
| } | ||
|
|
||
| private fun ByteArray.asUUID(): UUID { | ||
| val b = ByteBuffer.wrap(this) | ||
| return UUID(b.getLong(), b.getLong()) | ||
| } | ||
| ): Any = | ||
| // Kover considers this not covered, which I think is a bug. Will reproduce in separate project and raise issue. | ||
| converters[target]?.invoke(value) ?: throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to ${target.qualifiedName}", | ||
| ) | ||
| } |
87 changes: 87 additions & 0 deletions
87
core/src/main/kotlin/net/samyn/kapper/internal/Converters.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package net.samyn.kapper.internal | ||
|
|
||
| import net.samyn.kapper.KapperParseException | ||
| import net.samyn.kapper.KapperUnsupportedOperationException | ||
| import java.nio.ByteBuffer | ||
| import java.time.Instant | ||
| import java.time.LocalDate | ||
| import java.time.LocalDateTime | ||
| import java.time.LocalTime | ||
| import java.util.Calendar | ||
| import java.util.Date | ||
| import java.util.UUID | ||
|
|
||
| internal fun convertInstant(value: Any): Instant = | ||
| when (value) { | ||
| is LocalTime -> { | ||
| value.atDate(LocalDate.now()).toInstant(java.time.ZoneOffset.UTC) | ||
| } | ||
|
|
||
| is LocalDateTime -> { | ||
| value.atZone(java.time.ZoneOffset.UTC).toInstant() | ||
| } | ||
|
|
||
| else -> { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to Instant", | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| internal fun convertLocalTime(value: Any): LocalTime = | ||
| if (value is Instant) { | ||
| LocalTime.ofInstant(value, java.time.ZoneOffset.UTC) | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to LocalTime", | ||
| ) | ||
| } | ||
|
|
||
| internal fun convertLocalDateTime(value: Any): LocalDateTime = | ||
| if (value is Instant) { | ||
| LocalDateTime.ofInstant(value, java.time.ZoneOffset.UTC) | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to LocalDateTime", | ||
| ) | ||
| } | ||
|
|
||
| internal fun convertLocalDate(value: Any): LocalDate = | ||
| if (value is Date) { | ||
| val cal = Calendar.getInstance() | ||
| cal.time = value | ||
| LocalDate.of(cal[Calendar.YEAR], cal[Calendar.MONTH] + 1, cal[Calendar.DAY_OF_MONTH]) | ||
| } else { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to LocalDate", | ||
| ) | ||
| } | ||
|
|
||
| internal fun convertUUID(value: Any): UUID = | ||
| when (value) { | ||
| is String -> { | ||
| try { | ||
| UUID.fromString(value) | ||
| } catch (e: Exception) { | ||
| throw KapperParseException( | ||
| "Cannot parse $value to UUID", | ||
| e, | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| is ByteArray -> { | ||
| value.asUUID() | ||
| } | ||
|
|
||
| else -> { | ||
| throw KapperUnsupportedOperationException( | ||
| "Cannot auto-convert from ${value.javaClass} to UUID", | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| fun ByteArray.asUUID(): UUID { | ||
| val b = ByteBuffer.wrap(this) | ||
| return UUID(b.getLong(), b.getLong()) | ||
| } |
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